Cool air fan structure and air cleaner

Abstract

To provide a cold air fan structure and an air cleaner which do not spray water mist and are easy to use. [Solution] The fan body includes a case, a refrigerator compartment, a seal cap 300, and a blower 400, and the case is provided with an air passage 101 with an intake port and an exhaust port at both ends, the blower is provided in the air passage and closer to the intake port 102, the refrigerator compartment is provided in the air passage and closer to the exhaust port, an annular outlet is formed between the outside of the refrigerator compartment and the exhaust port, a cavity is provided that is open to the inside of the refrigerator compartment and stores a coolant 500, and the seal cap is a removable cover for the opening of the cavity. The coolant exchanges heat with the side wall of the refrigerator compartment to quickly lower the temperature of the refrigerator compartment, and an airflow is formed in the air passage by the blower, and the air is sucked in through the intake port and blown out through the annular outlet. When the airflow passes through the outer wall of the refrigerator compartment, the refrigerator compartment exchanges heat with the airflow to lower the temperature of the airflow.

Description

[Technical field]

[0001] The present invention relates to the technical field of fans, and more particularly to a cool air fan structure and an air cleaner. [Background technology]

[0002] A fan is a tool that generates wind to cool down on hot days, and an electric fan is a device that is driven by electricity to generate airflow, and the blades arranged inside rotate after being energized to generate a natural breeze to achieve the effect of cooling down. The cooling effect of a fan mainly depends on the ambient temperature, and the higher the ambient temperature, the worse the cooling effect. In order to improve the cooling effect, water or ice is added inside the fan to achieve the cooling effect with water or ice. For example, a Chinese utility model patent document with registration number CN220250188U discloses a foldable fan with cooling effect, comprising a folding base and a fan body, the fan body being mounted on the folding base, a cooling case being mounted at the front center position of the outer side of the fan body, a water leakage receiving case being mounted below the cooling case and communicating with it, a water storage tank being mounted at the interior center position of the cooling case, a mist head being mounted on the front outer side of the water storage tank and communicating with it, a first water pump being mounted inside the water storage tank, the mist head being mounted via a nozzle and communicating with an output end of the first water pump, an end plate being mounted on an inner wall at one end close to the interior of the cooling case, a semiconductor cooling element being mounted in the end plate, the inner surface of the end plate being bonded to the back surface of the water storage tank, a water supply port being provided above the water storage tank, and a water leakage groove being provided below the front surface of the cooling case and communicating with the water leakage receiving case. By driving the first water pump, it works in conjunction with the nozzle and the mist head to perform the fountain operation, the sprayed water mist is blown by the fan body and spreads towards the front, coming into contact with the person and achieving the effect of cooling them down; at the same time, by activating the semiconductor cooling element, it is also possible to perform the cooling operation on the inside of the cooling case, where the end plate is attached to the side wall of the water storage tank and can cool the water inside the water storage tank, so that when the fountain operation is performed, the sprayed water mist is ice water, which feels cooler when it comes into contact with the human body, achieving a good cooling effect.

[0003] In the above-mentioned patent document, the cooling module cools the water, turns the water into mist, and sprays it onto the human body, causing discomfort to the human body. Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention aims to provide a cooling fan structure that solves the problem that conventional cooling fans blow water mist directly onto the human body, causing discomfort to the human body. [Means for solving the problem]

[0005] In order to achieve the above object, a cold air fan structure according to an embodiment of the present invention includes a bracket and a fan body mounted on the bracket, the fan body includes a case, a refrigerator chamber, a seal cap and a blower, an air passage having an air intake and an exhaust port at both ends is provided within the case, the blower is provided within the air passage and is adjacent to the air intake, the refrigerator chamber is provided within the air passage and is adjacent to the exhaust port, an annular air outlet is formed between the outside of the refrigerator chamber and the exhaust port, a cavity is provided in the refrigerator chamber that is open to the inside and is for storing a coolant, and the seal cap removably covers an opening of the cavity.

[0006] Furthermore, the cooling material is an ice crystal pack.

[0007] Further, the refrigeration compartment includes a support ring and a thermal conduction case, the support ring is provided at the exhaust port, a plurality of connecting rib plates are provided between the support ring and the inside of the exhaust port, the thermal conduction case is provided inside the support ring, the cavity is provided within the thermal conduction case, and the seal cap is covered on the outside of the support ring.

[0008] Furthermore, a support ring is provided on the outside of the support ring, a plurality of escape grooves are provided in the support ring, and a locking portion is provided on one side of the support ring close to the escape groove. An inner ring extends inside the seal cap, and an L-shaped locking claw is provided on the outside of the inner ring to fit into the locking portion. A pocket portion is provided in the locking portion, and an elastic wall is formed in the locking portion by the pocket portion.

[0009] Furthermore, a connection hole is provided at the bottom of the undercut groove, and a setscrew is connected to the thermal conductive case through the connection hole.

[0010] Further, the blower includes a housing, an electric motor, and a turbine, the housing being fixedly connected to one side of the refrigerator compartment away from the exhaust port, the electric motor being provided within the housing, a main shaft of the electric motor extending from the housing, and the turbine being provided on the main shaft of the electric motor.

[0011] Furthermore, one end of the air passage close to the air intake port has a conical structure, and one end face of the turbine close to the air intake port has a conical surface.

[0012] Further, the case includes an external case, an internal case, and a connection land, the internal case is disposed within the external case, one end of the external case close to the exhaust port is radially contracted and attached to the end side of the internal case, and the connection land connects the external case and the other end of the internal case, forming a noise reducing cavity between the internal case and the external case.

[0013] Further, the bracket includes a bottom case and support bases provided on both sides of the bottom case, the case being rotatably connected between the two support bases, a motor being further provided between the outer case and the inner case, the rotating shaft of the motor being fixedly connected to the support base, a rotary support part being provided on the inside of the support base, a rotary connection part being provided on the outside of the outer case, the rotary connection part being fitted into and connected to the rotary support part, a wear-resistant block being further provided to surround the outside of the rotary connection part, and a plurality of wear-resistant teeth being provided on one side of the wear-resistant block close to the support base. Effect of the Invention

[0014] The above-mentioned one or more technical solutions of the cooling fan structure according to the embodiments of the present invention at least have the following technical effects: The cooling material is placed in the refrigerator compartment and can be fixed in the refrigerator compartment by a sealing cap. The cooling material exchanges heat with the side wall of the refrigerator compartment, quickly lowering the temperature of the refrigerator compartment. The blower forms an airflow in the air passage, and the air is sucked in through the air intake and blown out through the annular outlet. When the airflow passes through the outer wall of the refrigerator compartment, the refrigerator compartment exchanges heat with the airflow, realizing the airflow temperature reduction. The air blown out from the annular outlet is cool air, achieving the effect of heat dissipation and temperature reduction. It replaces the conventional fan that dissipates heat and reduces temperature by turning water into mist, and is more convenient for users.

[0015] An air cleaner comprising: a cool air fan structure; and a filtering device provided at the air intake, the filtering device comprising a filter case and a filter element; an annular groove and a first connecting material are provided at an end side of the case so as to surround the air intake; a second connecting material is provided at an end of the filter case for connecting the first connecting material; and a flange is further provided at an inner end side of the filter case; one end of the filter element is provided within the annular groove and the other end is fitted to the outside of the flange.

[0016] The above-mentioned one or more technical solutions of the air cleaner according to the embodiments of the present invention at least have the following technical effects:

[0017] The cooling fan structure of the present invention may be provided with a filter device at the inlet of the cooling fan to achieve a cleaner effect. Specifically, the blower creates an airflow in the air passage, and the outside air is filtered by the filter element before entering the air passage, filtering out particles such as dust and other particulate matter in the air, thus achieving the effect of purifying the air. [Brief description of the drawings]

[0018] In order to more clearly explain the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the description of the embodiments or prior art. Obviously, the drawings in the following description are merely some embodiments of the present invention, and those skilled in the art can also obtain other drawings based on these drawings without exerting any creative efforts.

[0019] [Figure 1] 1 is a structural diagram of a cooling fan according to an embodiment of the present invention; [Diagram 2] 1 is a front view of a cooling fan according to an embodiment of the present invention; [Diagram 3] 3 is a cross-sectional view taken along line AA in FIG. 2. [Figure 4] 3 is a cross-sectional view of FIG. 2 taken along line B-B. [Diagram 5] 4 is a structural diagram of the other side of the cooling fan according to the embodiment of the present invention. [Figure 6] 1 is a cross-sectional view of a cooling fan case according to an embodiment of the present invention; [Figure 7] 2 is a structural view of a cooling fan according to an embodiment of the present invention with a sealing cap open; FIG. [Figure 8] 2 is a structural diagram of a seal cap of a cooling fan according to an embodiment of the present invention; [Figure 9] 1 is a structural diagram of an air cleaner according to an embodiment of the present invention; [Figure 10] 1 is an exploded view of a filter device of an air cleaner according to an embodiment of the present invention; [Figure 11] 2 is a structural diagram of a filter case of an air cleaner according to an embodiment of the present invention; [Figure 12] 4 is a structural diagram of a pivot joint of an air cleaner according to an embodiment of the present invention; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Hereinafter, the embodiments of the present invention will be described in detail, and examples of the embodiments are shown in the drawings, in which the same or similar reference numerals represent the same or similar elements, or elements having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and are intended to be used to interpret the embodiments of the present invention, and should not be understood as limitations on the present invention.

[0021] In describing the embodiments of the present invention, it should be understood that the orientations or positional relationships indicated by terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outer," and the like are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of easily describing or simplifying the description of the embodiments of the present invention, and do not indicate or imply that the designated devices or elements necessarily have a particular orientation or must be constructed or operated in a particular orientation, and should not be understood as limitations on the present invention.

[0022] It should be noted that the terms "first" and "second" are used solely for descriptive purposes and should not be understood as indicating or implying relative importance or the number of technical features referred to. Thus, a feature qualified as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of the present invention, unless otherwise expressly and specifically limited, "plurality" means two or more.

[0023] In the embodiments of the present invention, unless otherwise specified and limited, the terms "attach", "connect", "connect", "fixed" and the like should be understood in a broad sense, for example, may be fixed connection, detachable connection, integral, mechanical connection, electrical connection, direct connection, indirect connection via an intermediate medium, internal communication between two elements, or mutual interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention according to the specific circumstances.

[0024] In one embodiment of the cold air fan structure of the present invention, referring to Figs. 1 to 7, the cold air fan of this embodiment includes a bracket 10 and a fan body mounted on the bracket. The fan body includes a case 100, a refrigerator compartment 200, a seal cap 300, and a blower 400. An air passage 101 having an air intake 102 and an exhaust port at both ends is provided in the case 100, the blower 400 is provided in the air passage 101 and closer to the air intake 102, and the refrigerator compartment 200 is provided in the air passage 101 and closer to the exhaust port. An annular air outlet 103 is formed between the outside of the refrigerator compartment 200 and the exhaust port. A cavity 201 is provided in the refrigerator compartment 200 to store a coolant 500, and the seal cap 300 is detachably covered at the mouth of the cavity 201. Specifically, the cooling material 500 is placed in the cavity 201 of the refrigerator compartment 200, and can be fixed in the refrigerator compartment 200 by the seal cap 300. The cooling material 500 exchanges heat with the side wall of the refrigerator compartment 200, quickly lowering the temperature of the refrigerator compartment 200, and the blower 400 forms an airflow in the air passage 101, and the airflow is sucked in through the air intake 102 and blown out through the annular outlet 103. When the airflow passes through the outer wall of the refrigerator compartment 200, the refrigerator compartment 200 exchanges heat with the airflow, realizing the lowering of the airflow temperature, and the wind blown out through the annular outlet 103 is cold air, achieving the effect of dissipating heat and lowering temperature. This replaces the conventional fan that dissipates heat and lowers temperature by turning water into mist, and is more convenient for users.

[0025] Moreover, one filter device 600 may be provided at the intake end of the cool air fan of this embodiment to achieve the effect of an air cleaner. Specifically, referring to Figs. 9 to 12, filter device 600 is provided at one end of intake port 102. Filter device 600 includes a filter case 610 and a filter element 620. More specifically, an annular recessed groove 104 and a first connecting member 105 are provided at the end side of case 100 so as to surround intake port 102, and a second connecting member 611 for connecting first connecting member 105 is provided at the end of filter case 610. The first connecting member 105 may have an L-shaped locking claw structure protruding outward, and the second connecting member 611 may be a stopper provided inside the filter case 610. When the filter case 610 is fitted to the end portion of the case 100, the filter case 610 is rotated and the first connecting member 105 and the second connecting member 611 are engaged with each other, thereby fixing the filter case 610 to the end side of the case 100. Then, one end of the filter element 620 is engaged in the annular recessed groove 104, and the other end is fitted into the flange 612 on the inner end side of the filter case 610, so that the filter element 620 completely covers the air intake 102, thereby achieving the effect of filtering and purifying the air that enters from the air intake 102.

[0026] Moreover, the cooling material 500 is an ice crystal pack, and two or more ice crystal packs can be used interchangeably.

[0027] Further, referring to Fig. 6, the refrigeration compartment 200 includes a support ring 210 and a heat conduction case 220, the support ring 210 is provided at the exhaust port, and a plurality of connecting rib plates 202 are provided between the support ring 210 and the inside of the exhaust port. The heat conduction case 220 is provided inside the support ring 210, the cavity 201 is provided in the heat conduction case 220, and the seal cap 300 is covered on the outside of the support ring 210. Specifically, the heat conduction case 220 may be a bowl-shaped aluminum case structure. Therefore, the excellent heat conduction performance of the aluminum case can be utilized, and efficient heat exchange can be realized.

[0028] 1, 3, 4, 6 and 7, a support ring 211 is provided on the outside of the support ring 210, a plurality of clearance grooves 212 are provided in the support ring 211, and a locking portion 213 is provided on one side of the support ring 211 close to the clearance grooves 212. An inner ring 310 is extended on the inside of the seal cap 300, and an L-shaped locking claw 311 for fitting into the locking portion 213 is provided on the outside of the inner ring 310. Specifically, when the seal cap 300 is to cover the support ring 210, the locking claw 311 can be engaged with the locking portion 213 by rotating the seal cap 300. Furthermore, a pocket portion is provided in the locking portion 213, and an elastic wall 214 is formed in the locking portion 213 by the pocket portion. Therefore, when the locking claw 311 engages with the locking portion 213, the elastic force of the elastic wall 214 is used to further fix the locking claw 311 and the locking portion 213, so that the seal cap 300 and the support ring 210 are more tightly connected.

[0029] Furthermore, referring to FIG. 7, a connection hole is provided at the bottom of the undercut 212, and the set screw is connected to the heat conductive case 220 through the connection hole.

[0030] 3 and 4, the blower 400 includes a housing 410, an electric motor 420, and a turbine 430. The housing 410 is fixed and connected to one side of the refrigerating compartment 200 away from the exhaust port, the electric motor 420 is installed in the housing 410, the main shaft of the electric motor 420 protrudes from the housing 410, and the turbine 430 is installed on the main shaft of the electric motor 420. In this embodiment, the electric motor 420 drives the turbofan 430 to rotate, thereby rotating the airflow. The housing 410 is installed outside the refrigerating compartment 200, and can dissipate heat and cool the electric motor 420 to ensure normal operation of the electric motor 420. Furthermore, a wiring groove 411 connected to the inner wall of the case 100 is further provided on one side of the housing 410, and an electric wire connected to the electric motor 420 can be passed through the wiring groove 411. The wiring groove 411 can improve the connection strength of the housing 410.

[0031] 4, one end of air passage 101 close to intake port 102 has a conical structure, and one end face of turbine 430 close to intake port 102 has a conical surface. Turbine 430 pushes out the airflow more effectively, increasing the power of the airflow.

[0032] Further, the case 100 includes an outer case 110, an inner case 120, and a connecting land 130. The inner case 120 is disposed inside the outer case 110, and one end of the outer case 110 close to the exhaust port is radially contracted and engaged with the end side of the inner case 120, and the connecting land 130 connects the other end of the outer case 110 and the inner case 120 to fix the inner case 120 and the outer case 110 together, and a noise reduction cavity 106 is formed between them to reduce noise during operation of the blower 400.

[0033] Furthermore, the support ring 210 and the inner case 120 are integrally molded. Furthermore, in order to facilitate installation of the filter case 610, the annular groove 104 and the first connecting member 105 may be provided on the end side of the connecting land 130.

[0034] 3 and 12, the bracket 10 includes a bottom case 11 and a support base 12 provided on both sides of the bottom case, and the case 100 is rotatably connected between the two support bases 12, so that the inclination angle of the exhaust port can be adjusted. Furthermore, a motor 700 is further provided between the outer case 110 and the inner case 120, the rotation shaft of the motor 700 is fixedly connected to the support base 12, a rotation support part 13 is provided inside the support base 12, and a rotation connection part 111 is provided outside the outer case 110, and the rotation connection part 111 is fitted and connected to the rotation support part 13. Therefore, in this embodiment, the motor 700 can drive the fan body to swing up and down, thereby achieving the effect of blowing air up and down. Furthermore, a wear-resistant block 112 is further provided to surround the outside of the rotation connection part 111, and a plurality of wear-resistant teeth 113 are distributed on one side of the wear-resistant block 112 close to the support base 12. The wear-resistant teeth 113 can reduce the contact area between the outer case 110 and the support base 12, thereby reducing wear; the slots formed by the wear-resistant teeth 113 can also store lubricating oil, further reducing wear and allowing for smoother up and down movement.

[0035] The above are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A cooling fan structure including a bracket and a fan body provided on the bracket, the fan body includes a case, a refrigerator compartment, a seal cap, and a blower, an air passage is provided within the case with an intake port and an exhaust port at each end, the blower is provided within the air passage and is closer to the intake port, the refrigerator compartment is provided within the air passage and is closer to the exhaust port, an annular air outlet is formed between the outside of the refrigerator compartment and the exhaust port, a cavity is provided that is open into the refrigerator compartment and is for storing a coolant, and the seal cap removably covers an opening of the cavity.

2. 2. The cool air fan structure as claimed in claim 1, wherein the cooling material is an ice crystal pack.

3. 2. The cold air fan structure according to claim 1, wherein the refrigeration compartment includes a support ring and a heat conduction case, the support ring is provided at the exhaust port, a plurality of connecting rib plates are provided between the support ring and an inside of the exhaust port, the heat conduction case is provided inside the support ring, the cavity is provided within the heat conduction case, and the seal cap is covered on the outside of the support ring.

4. The cold air fan structure according to claim 3, characterized in that a support ring is provided on the outside of the support ring, the support ring is provided with a plurality of escape grooves, a locking portion is provided on one side of the support ring close to the escape grooves, an inner ring extends inside the seal cap, an L-shaped locking claw is provided on the outside of the inner ring to be fitted into the locking portion, a pocket portion is provided in the locking portion, and an elastic wall is formed in the locking portion by the pocket portion.

5. 5. The cooling fan structure according to claim 4, wherein a connection hole is provided at a bottom of the undercut, and a set screw is connected to the heat conductive case through the connection hole.

6. The cool air fan structure according to any one of claims 1 to 5, characterized in that the blower includes a housing, an electric motor, and a turbine, the housing is fixedly connected to one side of the refrigerator compartment away from the exhaust port, the electric motor is provided within the housing, a main shaft of the electric motor protrudes from the housing, and the turbine is provided on the main shaft of the electric motor.

7. 7. The cool air fan structure according to claim 6, wherein one end of the air passage close to the air intake has a conical structure, and one end face of the turbine close to the air intake has a conical surface.

8. The cool air fan structure according to any one of claims 1 to 5, characterized in that the case includes an outer case, an inner case, and a connection land, the inner case is provided within the outer case, one end of the outer case close to the exhaust port is radially contracted and attached to an end side of the inner case, and the connection land connects the outer case and the other end of the inner case, forming a noise reducing cavity between the inner case and the outer case.

9. 9. The cool air fan structure of claim 8, wherein the bracket includes a bottom case and support bases provided on both sides of the bottom case, the case is rotatably connected between the two support bases, a motor is further provided between the outer case and the inner case, a rotating shaft of the motor is fixedly connected to the support base, a rotating support part is provided inside the support base, a rotating connection part is provided outside the outer case, the rotating connection part is fitted and connected to the rotating support part, a wear-resistant block is further provided to surround the outside of the rotating connection part, and a plurality of wear-resistant teeth are provided on one side of the wear-resistant block close to the support base.

10. 6. An air cleaner including the cool air fan structure according to any one of claims 1 to 5, further including a filtering device provided at the air intake, the filtering device including a filter case and a filter element, an annular groove and a first connecting material are provided at an end side of the case so as to surround the air intake, a second connecting material is provided at an end of the filter case for connecting the first connecting material, a flange is further provided at an inner end side of the filter case, and one end of the filter element is provided within the annular groove and the other end is fitted to the outside of the flange.

Images